Rashid Khalidi is Edward Said Professor of Arab Studies at Columbia University’s Department of History and the author of several books, including his latest, Brokers of Deceit: How the U.S. Has Undermined Peace in the Middle East. He has been very critical of US's role as a peace broker. In this book, Khalidi draws on his research as a historian, and on his own experience as an adviser to Palestinian negotiators, to argue that far from being an impartial broker, the United States has effectively acted as Israel’s lawyer.
In March 2013, he gave an interview to Democracy Now, which was published in two parts. You can read his interview by clicking here and here.